A367563 Decimal expansion of Erfi(1/2), where Erfi is the imaginary error function.
6, 1, 4, 9, 5, 2, 0, 9, 4, 6, 9, 6, 5, 1, 0, 9, 8, 0, 8, 3, 9, 6, 8, 1, 1, 8, 5, 6, 2, 3, 6, 4, 1, 3, 9, 3, 0, 5, 1, 3, 4, 5, 6, 1, 7, 8, 9, 5, 4, 0, 3, 5, 7, 2, 3, 2, 6, 6, 3, 8, 6, 9, 3, 4, 9, 9, 5, 8, 8, 7, 8, 9, 5, 6, 1, 3, 3, 4, 1, 9, 5, 7, 1, 1, 0, 3, 5, 6, 6, 3, 3, 8, 5, 3, 8, 9, 8, 0, 3, 1, 9, 9, 0
Offset: 0
Examples
0.61495209469651098083968118562364139305134561789540357232663869...
Links
- Eric Weisstein's World of Mathematics, Erfi.
Programs
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Mathematica
N[Erfi[1/2], 110] // RealDigits // First
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PARI
-imag(erfc(I/2)) \\ Michel Marcus, Nov 23 2023